Re: How to use cgroup to bind ceph-osd to a specific cpu core?

[Ray Sun <xiaoquqi@xxxxxxxxx>]

​Sound great, any update please let me know.​

Best Regards
-- Ray

On Tue, Jun 30, 2015 at 1:46 AM, Jan Schermer <jan@xxxxxxxxxxx> wrote:

I promised you all our scripts for automatic cgroup assignment - they are in our production already and I just need to put them on github, stay tuned tomorrow :-)

Jan

On 29 Jun 2015, at 19:41, Somnath Roy <Somnath.Roy@xxxxxxxxxxx> wrote:

Presently, you have to do it by using tool like ‘taskset’ or ‘numactl’…

 

Thanks & Regards

Somnath

 

From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Ray Sun
Sent: Monday, June 29, 2015 9:19 AM
To: ceph-users@xxxxxxxxxxxxxx
Subject:  How to use cgroup to bind ceph-osd to a specific cpu core?

 

Cephers,

I want to bind each of my ceph-osd to a specific cpu core, but I didn't find any document to explain that, could any one can provide me some detailed information. Thanks.

 

Currently, my ceph is running like this:

 

oot      28692      1  0 Jun23 ?        00:37:26 /usr/bin/ceph-mon -i seed.econe.com --pid-file /var/run/ceph/mon.seed.econe.com.pid -c /etc/ceph/ceph.conf --cluster ceph

root      40063      1  1 Jun23 ?        02:13:31 /usr/bin/ceph-osd -i 0 --pid-file /var/run/ceph/osd.0.pid -c /etc/ceph/ceph.conf --cluster ceph

root      42096      1  0 Jun23 ?        01:33:42 /usr/bin/ceph-osd -i 1 --pid-file /var/run/ceph/osd.1.pid -c /etc/ceph/ceph.conf --cluster ceph

root      43263      1  0 Jun23 ?        01:22:59 /usr/bin/ceph-osd -i 2 --pid-file /var/run/ceph/osd.2.pid -c /etc/ceph/ceph.conf --cluster ceph

root      44527      1  0 Jun23 ?        01:16:53 /usr/bin/ceph-osd -i 3 --pid-file /var/run/ceph/osd.3.pid -c /etc/ceph/ceph.conf --cluster ceph

root      45863      1  0 Jun23 ?        01:25:18 /usr/bin/ceph-osd -i 4 --pid-file /var/run/ceph/osd.4.pid -c /etc/ceph/ceph.conf --cluster ceph

root      47462      1  0 Jun23 ?        01:20:36 /usr/bin/ceph-osd -i 5 --pid-file /var/run/ceph/osd.5.pid -c /etc/ceph/ceph.conf --cluster ceph

 

Best Regards
-- Ray

---

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